Patents by Inventor Motonao Yoshikawa

Motonao Yoshikawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Heat-sensitive recording medium
    Patent number: 5286704
    Abstract: The present invention relates to a heat-sensitive recording medium which is excellent in dot-reproducibility and in adhesion between a support and a heat-sensitive recording layer provided thereon. The present recording medium comprises a synthetic-resin support, an ionomer-resin layer on the support, and a heat-sensitive recording layer provided on the ionomer-resin layer.
    Type: Grant
    Filed: September 28, 1992
    Date of Patent: February 15, 1994
    Assignee: Honshu Paper Co., Ltd.
    Inventors: Motonao Yoshikawa, Katsumi Moronuki